This article seeks to critically question the internal logic and coherence of ‘anti-doping’ through the case study of advantage-seeking practices in the sport of Brazilian Jui-Jitsu (BJJ). We provide an analysis of the recent controversy between high-profile fighters Gordon Ryan and Nicky Rod involving the relative morality of image and performance enhancing drug (IPED) use compared with ‘greasing’, whereby BJJ athletes apply substances, such as oil or lubricants, to the body to make it harder for opponents to establish a grip or maintain control during grappling exchanges. We employ this case study to highlight the impasse between the World Anti-Doping Agency’s (WADA) ethical foundation of the ‘spirit of sport’ and the anti-doping industry’s ‘anti-policy’ stance. We then query why a host of non-chemical advantage-seeking practices are normalised and overlooked within the rigid and constrictive systems. Ultimately, we characterise WADA as a myopic compliance system that stifles moral debate around advantage-seeking in sport and is hamstrung by an ethical discord between anti-policy and the neo-Aristotelian ideal of the spirit of sport. We close with a call for a holistic ethical understanding of advantage-seeking in sport and the need to encourage stakeholders to ‘think institutionally’ in order to establish a malleable and reactive response to doping.